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Add 3/8 and 80/90

3/8 + 80/90 is 91/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360
  2. For the 1st fraction, since 8 × 45 = 360,
    3/8 = 3 × 45/8 × 45 = 135/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    80/90 = 80 × 4/90 × 4 = 320/360
  4. Add the two fractions:
    135/360 + 320/360 = 135 + 320/360 = 455/360
  5. After reducing the fraction, the answer is 91/72
  6. In mixed form: 119/72

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